Sheri's babbling and attempt to sit up

In the past, baby Sheri could only gurgles and coos, but nowadays, she has started canonical babbling, making sentence-like strings of vowels and consonants. Sometimes, she can babble incessantly, as if she is trying to engage you in her conversation. How I wish I could comprehend her babbling. I guess she must be feeling frustrated when mommy does not seem to understand what she is trying to say.
Mommy is also trying to make her sit up independently now. However, she still has to put her hands between the legs to support herself. Sometimes, she likes to inch forward and 'scooch' across the floor as if she is trying to crawl.
Sheri has a multi-faceted personality. Sometimes, she can be so demure like an angel, while at other times, she can look like a rascal, making mischievious faces.